Aquatic Ecosystems MATCHING
In the space provided, write the letter of the term or phrase that best matches
the description.
1. lake that has a large amount of plant growth due
to nutrients
2. organisms that float near the surface of water
3. marine ecosystem dominated by trees with
stilt-like roots
4. factor that determines where aquatic
organisms live
a. salt marsh
b. corals
c. benthic zone
d. dams
e. plankton
f. oxygen
g. flood control
h. mangrove
swamps
i. eutrophic lake
j. overfishing
5. threat to ocean organisms
6. marine ecosystem dominated by marsh grasses
7. bottom of a pond or lake
8. use stinging tentacles to capture prey
9. environmental function of wetlands
10. threat to river ecosystems